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Patent Searching and Data


Matches 701 - 750 out of 4,972

Document Document Title
WO/1995/012772A1
A crank arm (16) and crank pin (18) are carried on an eccentric (60) which rotates about a central axis (32) while revolving about a peripheral axis (34). The crank arm (16) has an effective length greater than the distance (Lo) between ...  
WO/1995/012076A1
In a gear drive with a planet wheel (26) rotating in a crown wheel (27), an inner crank (25) via which the planet wheel (26) is held on the shaft of the crown wheel is articulatedly connected via a second outer crank (24) to the piston r...  
WO/1995/011780A1
A mechanism for orienting an end member utilizes paired five-bar linkages wherein two joints on each five-bar linkage may be actuated. Preferably the actuators are mounted at the base-link of the five bar linkages, such base-links being ...  
WO/1995/012064A1
In a power generating device particularly suitable for satellites and space stations, a total of four Stirling engines are assembled to form a cruciform unit, at the centre of which is fitted a crossed wheel drive (25) acted upon by the ...  
WO/1995/005551A1
Slider-crank driving mechanism for the transformation of a reciprocating motion into rotation or vice versa so as to obtain higher efficiency, by using at least two or more plates (6) which alternately move towards one another in opposit...  
WO/1995/000776A1
A rotary motion mechanism of this invention comprises a pair of first axis guides (16a, 16b) disposed in parallel to each other in a first direction, a pair of second axis guides (18a, 18b) disposed in parallel to each other in a second ...  
WO/1994/029574A1
An engine, pump or compressor with a "Z"-shaped crankshaft (2) providing either two or four strokes of differential length for every revolution of the crankshaft (2). The crankshaft (2) is connected to a piston (1, 1') via a spigot assem...  
WO/1994/027030A1
An internal combustion engine having at least one cylinder and reciprocating means (1) comprising pistons (12) which are slidable in said cylinders, said reciprocating means (1) and pistons (12) having a common axis, a pair of rotors (5,...  
WO/1994/026167A1
The invention is directed to a remote center positioner (23) used to support an instrument and provide a center of spherical rotation, remote from any bearings or mechanical supports, at a desired location of the instrument. The remote c...  
WO/1994/020772A1
A variable drive comprises a driving flange, a driven flange (22) facing the driving flange, and guides disposed in each flange extending radially with respect to the centre of the flange. Members are retained for movement in the guides....  
WO/1994/015118A1
A lever device having a point-of-support regulator (12) movably connected to a first motor (14) and a point-of-force regulator (13) movably connected to a second motor (15), wherein the motor (15) is driven in a state in which the motor ...  
WO/1994/015117A1
A lever member (51) is supported on a fixed shaft (52). One end of the lever member (51) is movably connected to a point-of-force regulator (54), and the other end thereof is movably connected to a point-of-application regulator (56).  
WO/1994/013940A1
A piston engine has at least one cylinder (4) and one piston (3), a crankshaft (1) and gearing apparatus that has a set of two or more travelling gears (12, 14) fixed together which are rotating on a crank that belongs to: 1) either the ...  
WO/1994/003740A1
A device for translating rotary to linear motion and vice versa includes a reciprocating linearly moving shuttle (34) with a central aperture (41). The aperture (41) has a pair of opposing gear racks (46, 48) protruding towards the cente...  
WO/1994/001670A1
The invention describes an energy converter on the principle of the hot-air engine (Stirling engine) having a cylinder containing a working piston (4) and a displacement piston (3) which can be moved to and fro on the cylinder axis and e...  
WO/1993/025330A1
An automatic forming machine (10) for hot forging workpieces conveyed step by step through the forging area has a driven eccentric shaft (8) upon which is mounted a connecting rod (7) linked to an up-and-down movable tool carriage (6). B...  
WO/1993/018850A1
According to the invention, the drive of an inversion-kinematic Paul Schatz-type mixing machine consists of two electric motors (11, 12) in series powered at a constant current via a shared regulator. The current which determines the tor...  
WO/1993/018318A1
A slewing mechanism which is particularly suitable for use with a car seat for the physically disabled which permits a combined translational and rotational movement of a plate (6) or the like on which, say, a seat assembly (100) may be ...  
WO/1993/018319A1
In order to improve the performance characteristics of a machine for converting linear motion to rotary motion (particularly an internal configuration engine) or vice versa, the invention proposes an eccentric crank mechanism communicati...  
WO/1993/016894A1
In the device disclosed, the mechanism is hingedly incorporated between two relatively rigid structural parts (2, 3). The mechanism consists of at least two co-operating mechanism parts (4, 5, 6), each of which can undergo displacements ...  
WO/1993/014280A1
The invention concerns a connection between components (10, 11), in particular shaped-section rods, gearwheels, etc., which are physically locked together laterally at their periphery by alternating tongues (15) and grooves (16). In orde...  
WO/1993/014011A1
This invention relates in general to an improved transfer mechanism (10) for transferring cartons (C) from a magazine (M) for such cartons. The present device is used in connection with a packaging machine in which cartons (C) are remove...  
WO/1993/004269A1
A pair of opposed pistons (17) are interconnected by a connecting link assembly (19) defining opposed parallel guide surfaces (24), transverse to the axes of the pistons. A drive block (28) is rotatably mounted on a crankpin (16) of a cr...  
WO/1993/003265A1
An Oldham drive engine for effectively taking out a maximum combustion pressure from the top dead center of a piston engine as a rotational output of an output shaft (17). An Oldham's coupling mechanism is formed by interposing a slider ...  
WO/1992/017694A1
Main characteristics of the suggested type of engines are the harmonic reciprocation of the pistons and the slider free motion of the relevant connecting rods. The invention also pertains to the full balancing of such engines, to the sca...  
WO/1992/013784A1
The device for operating a conveyor-belt slew-out module disclosed comprises a triangular-link coupling (9) whose corners (10, 11, 12) are rotatably mounted with one corner (10) on the slew-out module and the other two (11, 12) on the pi...  
WO/1992/013213A1
The invention concerns an adjustable control gear for changing the transmission ratio in mechanical linear, pivoting and planetary transmission systems, in particular for applications in pneumatic control units and vehicule steering syst...  
WO/1992/010696A1
This system for reversibly transforming rotary motion into self-guided rectilinear motion has the characteristic of being achieved by symmetrically coupling at least two connecting rod-crank (108A, 108B, 107A, 107B) mechanisms, which are...  
WO/1992/010338A1
The invention concerns a hand-held power tool, in particular a hammer drill or paving breaker. The aim of the invention is to reduce the stroke of the piston (28) to such an extent that bottom dead centre of the piston remains in a zone ...  
WO/1992/008913A1
A mechanical linkage arrangement which can be used in an agricultural device like a soil agitator, a turf cutter or a turf aerator to impart motion from a drive means (65) to a reciprocable member (75) such as a cutting blade (76), is ar...  
WO/1992/008043A1
A reciprocating piston engine, especially an internal combustion engine or pump with one or two pistons (1) per cylinder, has at least three power transmissions for each piston (1), consisting of connecting rods (23) or rhombs and a cran...  
WO/1992/004559A1
A seating device for aged, infirm and handicapped persons includes a passive, pivotably mounted, energy storage device (52) laterally disposed below a seat base (22), and a parallelogram linkage (40) between the seat base (22) and a chai...  
WO/1991/017374A2
A motion translation device uses a slotted head similar to that used in scotch yoke devices in which tracks are provided at opposite sides of the slot, but laterally offsets the tracks relative to one another and uses two coaxial rollers...  
WO/1991/016559A1
Device, with metal gaiter, for leakproof transmission in particular for the control of a valve. According to the invention, a device includes a transfer part (32) coupled to both the drive shaft (14) and the driven shaft (20), the gaiter...  
WO/1991/014886A1
The invention concerns a device and process to causing a movable surface to reciprocate with an amplitude A2 in a plane. According to the present invention, two deformable parallelograms are arranged in a plane perpendicular to the plane...  
WO/1991/014885A1
The invention concerns a device making it possible to prevent any relative travelling movement in a first plane between two components moving in relation to each other in a second plane substantially perpendicular to the first. The devic...  
WO/1991/014114A1
A pumping mechanism (24) particularly adapted for coupling a rotating prime mover (22) to the sucker rod (36) of an oil well lift pump (26) is disclosed. A linkage assembly (44, 46, 48) comprised of a V-shaped floating link (44) and two ...  
WO/1991/012420A1
System for achieving a four-stroke cycle with a single rotation of the crankshaft in an internal combustion engine. The system consists of a crank (21), its crank pin (22) being free to rotate in the slide block (30) of a runner (40) piv...  
WO/1991/010848A1
A crank mechanism for an internal combustion engine comprises a cylinder (1), a piston (2) reciprocable within the cylinder, and a rotatable shaft (4). The piston (2) is in drivable connection with the shaft (4) via a connecting rod (3),...  
WO/1991/010083A1
A force actuator arrangement comprises a force generating member performing an oscillating movement, preferably a rod (7) of magnetostrictive material, force transmitting means -in a disc brake arrangement a caliper (4, 5)-, and a device...  
WO/1991/010082A1
An oscillating axial movement of a drive member (18) in a force actuator is generated by a prestressed rod (17) of Terfenol material being exposed to a pulsating magnetic field. This oscillating movement is transformed to an axial moveme...  
WO/1991/007115A1
An electric toothbrush has a handle in which a four-bar linkage (8) is arranged. On the input side, the four-bar linkage is driven by an electric motor (8) via a spur gear and on the output side, it drives an output shaft which oscillate...  
WO/1991/002911A1
The invention relates to a reciprocating gear, in particular for reciprocating piston engines, designed as a pair of Cardan's circles or as a hypocycloidal gear, in which complete mass balance is achieved simply and with few structural c...  
WO/1990/015268A1
A swingable fulcrum type of lever provided with a lever member rotatably supported on a displaceable fulcrum. One end of the lever member (1) is connected to a force-application-point regulator (4) and the other end to a force-acting-poi...  
WO/1990/012202A1
A rear crank mechanism consists of a rear crankshaft (11) as an engine output shaft, a rear crank serving also as a flywheel (12), and a rear crank connecting shaft (10). A front crank (13) is provided on the inner side of the rear crank...  
WO/1990/007400A1
This invention relates to a telescopic cover apparatus whose telescopic cover can extend and contract smoothly and which has long service life. The telescopic cover apparatus of the invention, which is mounted to a machine tool, is equip...  
WO/1990/005862A1
In order to improve the organic engine efficiency and the polluting characteristics, as regards the present engines, I propose a new type of crank mechanism - ''four dead centers crank mechanism'' - which has the following most important...  
WO/1990/005252A1
In a continuously variable drive transmission, journals (30) and counterweights (36) are simultaneously displaced in opposite radial directions by operation of cam means (40) keyed to a rotatable operating shaft (45).  
WO/1990/001647A1
In order to improve thermodynamic and organic engine efficiency as regards the present engines, there is proposed a new type of crank mechanism - "Double Upside Down Crank Mechanism" - which has the following characteristics: piston moti...  
WO/1989/009120A1
The articulated device comprises two plates (PI, PS) mutually connected by six linking elements (OLij) formed into a closed mesh structure, as well as a unit for controlling the relative position of said two plates. Each connecting eleme...  

Matches 701 - 750 out of 4,972